A009009 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A009009 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`9`
`3`		`177`
`4`		`6545`
`5`		`387649`
`6`		`33646041`
`7`		`4025701617`
`8`		`635120351777`
`9`		`127753094128897`
`10`		`31911422805749673`
`11`		`9691219439564235441`
`12`		`3516474983468155702193`
`13`		`1502487398886128051614273`
`14`		`746659439867912626958616441`
`15`		`427003792367575880943003380721`

[1,1,9,177,6545,387649,33646041,4025701617, 635120351777,127753094128897,31911422805749673, 9691219439564235441,3516474983468155702193, 1502487398886128051614273, 746659439867912626958616441, 427003792367575880943003380721]

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 11 16:28 EDT 2024. Contains 375073 sequences. (Running on oeis4.)